div.bubble_wrap {
	position: relative;
}

tr.level1 td.level2 {
	position: relative;
}

.bubble_table {
	width: 240px;
	position: absolute;
}

.bubble_text {
	background: #f2f0e4;
	padding: 6px;
	width: 240px;
	font-size: 11px;
	line-height: 14px;
}

td.level2 div {
	position: absolute;
	border: 1px solid white;
	visibility: hidden;
	top: -46px;
	/*margin-top: -59px;*/
}

td.level2 div.philadelphia {
	margin-left: 40px;
}

td.level2:hover div.philadelphia {
	visibility: visible;
}

td.level2 div.dallas {
	margin-left: 20px;
}

td.level2:hover div.dallas {
	visibility: visible;
}

td.level2 div.newyork {
	margin-left: 25px;
}

td.level2:hover div.newyork {
	visibility: visible;
}

td.level2 div.london {
	margin-left: 21px;
}

td.level2:hover div.london {
	visibility: visible;
}